blob: 82a58bad8c21c660bc1fa2fcc9e50c7a1c9ef286 [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.development;
import android.content.Context;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.storage.IStorageManager;
import android.text.TextUtils;
import android.sysprop.CryptoProperties;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.development.DeveloperOptionsPreferenceController;
public class FileEncryptionPreferenceController extends DeveloperOptionsPreferenceController
implements PreferenceControllerMixin {
private static final String KEY_CONVERT_FBE = "convert_to_file_encryption";
private static final String KEY_STORAGE_MANAGER = "mount";
private final IStorageManager mStorageManager;
public FileEncryptionPreferenceController(Context context) {
super(context);
mStorageManager = getStorageManager();
}
@Override
public boolean isAvailable() {
if (mStorageManager == null) {
return false;
}
try {
return mStorageManager.isConvertibleToFBE();
} catch (RemoteException e) {
return false;
}
}
@Override
public String getPreferenceKey() {
return KEY_CONVERT_FBE;
}
@Override
public void updateState(Preference preference) {
if (CryptoProperties.type().orElse(CryptoProperties.type_values.NONE) !=
CryptoProperties.type_values.FILE) {
return;
}
mPreference.setEnabled(false);
mPreference.setSummary(
mContext.getResources().getString(R.string.convert_to_file_encryption_done));
}
private IStorageManager getStorageManager() {
try {
return IStorageManager.Stub.asInterface(
ServiceManager.getService(KEY_STORAGE_MANAGER));
} catch (VerifyError e) {
// Used for tests since Robolectric cannot initialize this class.
return null;
}
}
}